What You Need to Know About Hard Water
Much of the water in the United States is considered hard, which means it contains a high level of minerals, usually calcium and magnesium. At high enough concentrations, these minerals form white scale and spot that shows up on plumbing and appliances as well as dishes, and inside water heaters as well.
Before you spend a lot of money fixing the wrong problem, understand what water quality is all about. This white paper identifies some things you should keep in mind if you're thinking about a water softener.